B

Byte

B 911

Basic 911

B Band

A band of radio frequencies that are used for cellular mobile telephone service. The B band of frequencies are assigned for use by the incumbent (local) phone company.

B Battery

Part of a telephone system power supply that supplies direct current for operating relays and other components. The B battery is typically 20 volts.

B Channel

A logical channel in an Integrated Services Digital Network (ISDN) that provides a 64 kbps connection to a switching system or to the non-switched portion of a network. This channel is used for transferring voice or data information between customer premises equipment and an end-office switching system.

B Connector

A connector that is used for splicing twisted wire pairs. B connectors are sometimes called beans. B connectors are shaped like a plastic tube that is approximately 2.5 cm (1 inch) long. They include metal teeth inside to help ensure a good connection is made when the B connector is crimped (compressed) and to ensure that the connector will not slide off the splice. Some B connectors contain a water-retardant jelly inside to reduce the effects of corrosion on the wire splice.

B Side

The wireline carrier who had landline service in place prior to building out the cellular network.

B Wire

European term corresponds to North

American Ring wire.

B2B

Business-To-Business

B2C

Business-To-Consumer

B3ZS

Bipolar with 3-Zero Substitution

B3ZS

Binary 3-Zero Substitution

B8ZS

Bipolar with 8 Zero Substitution

BAA

Blanket Authorization Agreement

Babble

The aggregate crosstalk...